Home / 55,156.67-76,074.49-38,189.31

Finding the Fourth Proportional to 55,156.67, 76,074.49 and 38,189.31

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Solution

The fourth proportional to 55,156.67, 76,074.49 and 38,189.31 is: 52,672.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,156.67 : 76,074.49 = 38,189.31 : x
  2. Step 2: Convert to fraction form
    55,156.67/76,074.49 = 38,189.31/x
  3. Step 3: Cross multiply
    55,156.67x = 76,074.49 × 38,189.31
  4. Step 4: Simplify right side
    55,156.67x = 2,905,232,281.70
  5. Step 5: Solve for x
    x = 2,905,232,281.70/55,156.67
  6. Step 6: Final answer
    x = 52,672.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.